package year2020.month03456;

//import org.springframework.util.StringUtils;

import java.util.Arrays;
import java.util.List;

public class StringTest {

    public static void main(String[] args){
        String str = "";
        List<String> strings = Arrays.asList(str.split(","));
        System.out.println(strings);

//        StringUtils.trimAllWhitespace(null);
    }

}
